Ultraviolet light has always sat at the edge of human perception, powerful yet invisible, more associated with sterilizing ...

We are faced with a global epidemic of myopia (short-sightedness) because we are deprived of deep violet light (360-400 nm). Myopia is projected to rise from 23 to 50 percent of the world’s population ...

A new type of versatile economical photocatalyst that harnesses the visible portion of the sunlight spectrum has been developed by researchers from the University of Johannesburg. It is simple to ...

a, Schematic diagram illustrating simultaneous broadband 2nd-10th HHG via cascaded 2nd-NL QPM up-conversion upon a mid-IR pump femtosecond laser in CPPLN. b, Schematic diagram illustrating ...